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Finding the Fourth Proportional to 551,627.70, 827,004.15 and 302,309.70

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Solution

The fourth proportional to 551,627.70, 827,004.15 and 302,309.70 is: 453,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,627.70 : 827,004.15 = 302,309.70 : x
  2. Step 2: Convert to fraction form
    551,627.70/827,004.15 = 302,309.70/x
  3. Step 3: Cross multiply
    551,627.70x = 827,004.15 × 302,309.70
  4. Step 4: Simplify right side
    551,627.70x = 250,011,376,485.26
  5. Step 5: Solve for x
    x = 250,011,376,485.26/551,627.70
  6. Step 6: Final answer
    x = 453,224.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.